Etape 1 OK, sans optionnel

backend/app/graph/workflow.py

@@ -12,7 +12,17 @@ from app.graph.nodes import (
     human_review_node,
 )
 
+def route_entry_point(state: WorkflowState):
+    if state.get("status") == "spec_approved":
+        return "retrieval"
+    return "pm"
+
 # --- Fonctions de Routage (Conditional Edges) ---
+def route_after_pm(state: WorkflowState):
+    current_status = state.get("status")
+    if current_status in ["spec_incomplete", "spec_ready"]:
+        return END
+    return "retrieval"
 
 def route_after_retrieval(state: WorkflowState):
     # Si un projet existe, on demande d'abord à l'humain (via le nœud de review)
@@ -55,8 +65,22 @@ graph.add_node("dev", dev_node)
 graph.add_node("qa", qa_node)
 graph.add_node("human_review", human_review_node)
 
-graph.set_entry_point("pm")
-graph.add_edge("pm", "retrieval")
+graph.set_conditional_entry_point(
+    route_entry_point,
+    {
+        "pm": "pm",
+        "retrieval": "retrieval",
+    },
+)
+
+graph.add_conditional_edges(
+    "pm",
+    route_after_pm,
+    {
+        END: END,
+        "retrieval": "retrieval",
+    },
+)
 
 # Étape 1 : Choix après recherche vectorielle
 graph.add_conditional_edges(